<!--
 * @Author: wanggang
 * @Date: 2019-08-13 15:54:54
 * @Description: 
 -->
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <style>
     #w{
  background:url('/image/patrol-map.png') no-repeat center center fixed;
  width:100%;
  height:100%;
}
article{
  width:40%;
  height:1200px;
  margin:0 auto;
  text-align: center;
  z-index: 1;
  position: relative;
}
#a{
  position: absolute;
  width:500%;
  height:100%;
  margin-left:-150%;
  top:-10px;
  background:url('/image/patrol-map.png') no-repeat center center fixed  ;
 filter: blur(5px);
  z-index: -1;
}

    </style>
</head>


<body>
        <div id="w">
                <article>
                    <p>123123123123</p>
                    <p>123123123123</p>
                    <p>123123123123</p>
                    <div id="a"></div>
                </article>
            </div>
</body>
</html>